1964 1965 1966 1967 
Mineral Quantity Value   Quantity    Value   Quantity    Value   Quantity
   Value (thousands)  (thousands)  (thousands)  (thousands) 
 
American Samoa: 
 Pumice thousand short tons      17  $22  28  24 Sand and gravel do...~.
22 $20 60 $55 20 18 7 7 Stone do__~  157 234 60 60 12 12 28 50 
 Total XX 254 XX 115 XX 52 XX 81 
 
Canal Zone: 
 Sand and gravel thousand short ton__ 84 82 83 85 72 91 56 94 
 Stone (crushed do - -- 153 349 153 366 114 267 100 245 
     Total  XX 431 XX 451 XX 358 XX 339Canton: Stone (crushed) thousand short
tons                                                                    
   
Gusm: Stone do~._. 469 868 483 925 900 1,396 511 820Virgin Islands: Stone
(crushed) do --  69 842 68 302 88 303 183 851Wake: Stone (crushed do. 2 5
1 4 11 66 31 150 
 
 
W 
' ~ 
~ 
~ 
~ 
 
~ 
 
~ 
~ 
 
 
~ 
ii 
XX Not applicable. 
1 Production as measured by mine shipments, sales, or marketable production
(including consumption by producers). 
2 Production data for Canton and Wake furnished by U.S. Department of Transportation,
Federal Aviation Administration; Guam, by the Government of Guam: 
American Samoa, by the Government of American Samoa. 
 
 
 
Table 7.-~-'Minera1 production 1 in the Commonwealth of Puerto Rico 
 
Mineral 
Cement thousand 376-pound barrels_.. 7,926 $23,879 7,284 $23,415 7,603 $24,277
8,447 $27,397 
Clays thousand short tons__ 341 271 357 288 350 271 291 244 
Lime do_~. 18 574 27 867 30 960 35 1,106 
Salt do_  5  74  8  138  11  183  12  195 
Sand and gravel do...... 7 816 11,492 8,147 12,405 9,879 14,554 14,101 21,683

Stone do...... 5,504 8,586 5,344 9,111 5,732 10,541 7,269 12,795 
Total XX 44,876 XX 46,224 XX 50,786 XX 63,370 
 XX Not applicable.1 Production as measured by mine shipments, sales, or
marketable production (including consumption by producers).Table 6.—Mineral
production' in the Canal Zone and islands administered by the United States2

 1964 1965 1966 1967 
 Quantity Value Quantity Value Quantity Value Quantity Value 
 (thousands) (thousands) (thousands) (thousands)